Finding the Fourth Proportional to 207,927,142.62, 286,928,089.06 and 113,823,085.02
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Solution
The fourth proportional to 207,927,142.62, 286,928,089.06 and 113,823,085.02 is: 157,069,634.41
Step by Step Solution
- Step 1: Write the proportion equation
207,927,142.62 : 286,928,089.06 = 113,823,085.02 : x - Step 2: Convert to fraction form
207,927,142.62/286,928,089.06 = 113,823,085.02/x - Step 3: Cross multiply
207,927,142.62x = 286,928,089.06 × 113,823,085.02 - Step 4: Simplify right side
207,927,142.62x = 32,659,040,275,702,512 - Step 5: Solve for x
x = 32,659,040,275,702,512/207,927,142.62 - Step 6: Final answer
x = 157,069,634.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.